Mom accused of killing family heads to court

January 23, 2008 12:00:00 AM PST

FONTANA (KABC) --

A mother charged with murdering her husband and two children is expected to be arraigned Wednesday in Fontana.Thirty-five-year-old Bertha Martinez was arrested Sunday after police found the three dead inside the family's home.

Her husband, 58-year-old Marcelo Martinez, was found dead in the family's living room after being beaten in the head.

Her two children, ages seven and eight months, were found smothered to death in their bedrooms.

Investigators don't have a motive, but say the couple was having some marital and financial problems.